FAQ for Car StereoQ: Why does the stereo screen show “warning” but the speaker sound is normal?A: The brake cable connection is not correct. The brake detection cable should connect ground wire or directly connect to the stereo iron case.

… I was unaware that it had even existed it’s bad when trying to purchase a car stereo because these … I had actually never heard of this brand of system before now and I was unaware that it had even existed it’s bad when trying to purchase a car stereo because these big name companies do everything they can to rip you off however this one definitely was not the case the price was great the sound quality is way better than what I expected it to be it was extremely easy to hook up and the base on this here it’s really good so if you’re looking for something for Grapevine that’s got killer base…